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authorTom Rini <trini@ti.com>2013-06-13 15:18:35 -0400
committerTom Rini <trini@ti.com>2013-06-13 15:18:35 -0400
commitf0df254663d44f7fd4b714542bb4602626837465 (patch)
tree2b59e4c4caf22cbfe8d59e81306d97f71179b496 /include
parent41341221d12341a2ecfb280142d6478071738fc2 (diff)
parentea7fcc5aeb10d2cbb5589e91f36b205dcaf4b7a8 (diff)
downloadblackbird-obmc-uboot-f0df254663d44f7fd4b714542bb4602626837465.tar.gz
blackbird-obmc-uboot-f0df254663d44f7fd4b714542bb4602626837465.zip
Merge branch 'master' of git://git.denx.de/u-boot-spi
Diffstat (limited to 'include')
-rw-r--r--include/spi.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/spi.h b/include/spi.h
index 3fe2e1eab2..1638b50394 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -37,11 +37,16 @@
#define SPI_LSB_FIRST 0x08 /* per-word bits-on-wire */
#define SPI_3WIRE 0x10 /* SI/SO signals shared */
#define SPI_LOOP 0x20 /* loopback mode */
+#define SPI_SLAVE 0x40 /* slave mode */
+#define SPI_PREAMBLE 0x80 /* Skip preamble bytes */
/* SPI transfer flags */
#define SPI_XFER_BEGIN 0x01 /* Assert CS before transfer */
#define SPI_XFER_END 0x02 /* Deassert CS after transfer */
+/* Header byte that marks the start of the message */
+#define SPI_PREAMBLE_END_BYTE 0xec
+
/*-----------------------------------------------------------------------
* Representation of a SPI slave, i.e. what we're communicating with.
*
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